"""
周昕昕
"""
"""
周昕昕
"""
class Animal :
    def __init__(self, species, sound):
        if species in ['猫', '狗', '羊','猴子','老虎', '大象']:
            self.species = species
            self.sound = sound
        else:
            self.species = None
            self.sound = None
    def speak(self):
            if self.species == None:
                print('动物园里没有该动物，游戏结束!')
                return False
            else:
                print(self.species, self.sound)
print('动物园里有什么？')
flag = True
while flag:
    s = input('请输入动物种类和叫声（使用空格隔开）:')
    list1 = s.split(' ')
    anima1 = Animal(list1[0], list1[1])
    flag = anima1.speak()